Portable electrocardiogram device



FIG. 1 is a perspective view of a portable electrocardiogram device in accordance with an embodiment;

FIG. 2 is a top plan view of the portable electrocardiogram device of FIG. 1;

FIG. 3 is a front view of the portable electrocardiogram device of FIG. 1;

FIG. 4 is a left side view of the portable electrocardiogram device of FIG. 1;

FIG. 5 is a right side view of the portable electrocardiogram device of FIG. 1;

FIG. 6 is a rear view of the portable electrocardiogram device of FIG. 1; and,

FIG. 7 is a bottom plan view of the portable electrocardiogram device of FIG. 1.

The broken lines in the drawing views are included for the purpose of illustrating portions of the portable electrocardiogram device that form no part of the claimed design. 

The ornamental design for a portable electrocardiogram device, as shown and described. 